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HELP project - a dreamed-of multiwavelength dataset for SED fitting: The influence of used models for the main physical properties of galaxies

Published online by Cambridge University Press:  10 June 2020

Katarzyna Małek ,
Veronique Buat ,
Denis Burgarella ,
Yannick Roehlly ,
Raphael Shirley  and
the HELP team
Katarzyna Małek
Affiliation:
National Centre for Nuclear Research, ul.Pasteura 7, 02-093 Warszawa, Poland email: katarzyna.malek@ncbj.gov.pl Aix Marseille Univ. CNRS, CNES, LAM Marseille, France
Veronique Buat
Affiliation:
Aix Marseille Univ. CNRS, CNES, LAM Marseille, France
Denis Burgarella
Affiliation:
Aix Marseille Univ. CNRS, CNES, LAM Marseille, France
Yannick Roehlly
Affiliation:
Aix Marseille Univ. CNRS, CNES, LAM Marseille, France Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, F-69230, Saint-Genis-Laval, France
Raphael Shirley
Affiliation:
Astronomy Centre, Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, UK Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain; Universidad de La Laguna, Dpto. Astrofísica, E-38206 La Laguna, Tenerife, Spain
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Abstract

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The Herschel Extragalactic Legacy Project (HELP) focuses to publish an astronomical multiwavelength catalogue of millions of objects over 1300 deg2 of the Herschel Space Observatory survey fields. Millions of galaxies with ultraviolet–far infrared photometry make HELP a perfect sample for testing spectral energy distribution fitting models, and to prepare tools for next-generation data. In the frame of HELP collaboration we estimated the main physical properties of all galaxies from the HELP database and we checked a new procedure to select peculiar galaxies from large galaxy sample and we investigated the influence of used modules for stellar mass estimation.

Keywords

galaxies: fundamental parametersinfraredmethods: statisticalcatalogs
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S341: Challenges in Panchromatic Modelling with Next Generation Facilities , November 2019 , pp. 39 - 43
Copyright
© International Astronomical Union 2020

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